Pregnancy Lonza PDF) Carnitine status of pregnant women: Effect of carnitine supplementation and correlation between iron status and plasma carnitine concentration What even is carnitine?? Carnitine is a "conditionally" essential amino acid that becomes essential during pregnancy. What does this mean? You must get carnitine through food! The best sources are red Frontiers Maternal L Carnitine Supplementation Improves Brain Health in Offspring from Cigarette Smoke Exposed Mothers Acetyl L Carnitine 500 Henry Blooms